View difference between Paste ID: kKkEkGJK and 9yYumBic

 function movetotree()
    for i=1,7 do
       turtle.forward()
    end
 end
 
 function drop()
    for d=1,15 do
       turtle.select(i)
       turtle.dropDown()
    end
 end
 
 function cut()
    turtle.dig()
    turtle.forward()
    while true do
       if turtle.digUp() then
       turtle.up()
       else if not turtle.down() then
       turtle.back()
       break
       end
    end
 end
 end
 
 function movetodrop()
    for g=1,7 do
       turtle.back()
    end
 end
 
 function refuel()
-   if (turtle.getFuelLevel()=!"Unlimited") then
+   if (turtle.getFuelLevel()=="Unlimited") then
-      if (turtle.getFuelLevel()>=600) then
+      return true
    else if turtle.getFuelLevel()<600 then
          refuel2()
       end
    end
 end
 
-   else if (turtle.getFuelLevel()<600) then
+
    turtle.select(16)
    turtle.turnRight()
    turtle.turnRight()
    turtle.suck()
    turtle.refuel(64)
    turtle.select(1)
    turtle.turnLeft()
    turtle.turnLeft()
 end
 
 function plant()
    turtle.select(14)
    turtle.place()
    turtle.select(1)
 end
 
 function saplings()
    turtle.select(14)
    turtle.turnRight()
    turtle.suck()
    turtle.select(1)
    turtle.turnLeft()
 end
 
 function getbonemeal()
    turtle.select(15)
    turtle.up()
    turtle.turnRight()
    turtle.suck()
    turtle.select(1)
    turtle.turnLeft()
    turtle.down()
 end
 
 function bonemeal()
    turtle.select(15)
    turtle.place()
    turtle.place()
    turtle.place()
    turtle.place()
    turtle.select(1)
 end
 while true do
    refuel()
    saplings()
    getbonemeal()
    movetotree()
    for z=1,16 do
       plant()
       bonemeal()
       cut()
    end
    movetodrop()
    drop()
 end